package cn.itcast.geteway.filter;

import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.http.HttpStatus;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.stereotype.Component;
import org.springframework.util.MultiValueMap;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

/**
 * @author zongshuaidong
 * @version 1.0.0
 * @ClassName GlobalFilter.java
 * @Description TODO
 * @createTime 2024年11月05日 21:55:00
 */
//@Order(-1)
@Component
public class AuthorizeFilter implements GlobalFilter, Ordered {


    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        // 获取请求参数
        ServerHttpRequest request = exchange.getRequest();
        // 获取参数
        MultiValueMap<String, String> params = request.getQueryParams();
        // 获取参数
        String authorization = params.getFirst("authorization");
        if ("admin".equals(authorization)) {
            return chain.filter(exchange);
        }
        exchange.getResponse().setStatusCode(HttpStatus.UNAUTHORIZED);
        return exchange.getResponse().setComplete();
    }

    @Override
    public int getOrder() {
        return -1;
    }
}
